We can’t find Jim anywhere. Where is he– Perhaps he _____ home.

I haven’t seen you for a couple of days What have you been up ____?

The boy ________ his book here and forgot ________ ithome.

The newly discoveredstar was named ___a Chinese astronomer ____ honor of his contributions toastronomy.

Excuse me, would you mind answering a few questions?-Well, I don’t know I’m in rather a hurry ________[ ]